85-885 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1250nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 1275 nm
- Cut On Frequency
- 1225 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.447483120618651
- λ
- 1250 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
85-885 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1250nm
The 85-885 is a Bandpass Filter, specifically designed by Edmund Optics, with a diameter of 12.5 mm and a thickness of 3.5 mm. This filter is hard coated, ensuring durability and longevity, and has an OD (Outside Diameter) of 4.0. The filter is designed to pass light within a specific range of wavelengths, centered around 1250nm, with a Full Width Half Maximum (FWHM) of 50nm. This is achieved through the use of a unique coating on both the front and back surfaces, denoted as 'edm 85-885'. The filter's geometry is shaped as a thin lens, making it suitable for a wide range of optical applications. The physical data of the filter includes a cut-on wavelength of 1225nm and a cut-off wavelength of 1275nm. The catalog number for this item is 85-885, and it is currently in stock, as indicated by its weblink status. For more information, users can refer to the provided weblink.
